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Olympus TG-860 vs Pentax K-S2

Portability
91
Imaging
41
Features
42
Overall
41
Olympus Stylus Tough TG-860 front
 
Pentax K-S2 front
Portability
64
Imaging
64
Features
82
Overall
71

Olympus TG-860 vs Pentax K-S2 Key Specs

Olympus TG-860
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Screen
  • ISO 125 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 224g - 110 x 64 x 28mm
  • Revealed February 2015
  • Newer Model is Olympus TG-870
Pentax K-S2
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fully Articulated Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 678g - 123 x 91 x 73mm
  • Introduced February 2015
  • Replaced the Pentax K-S1
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Olympus TG-860 vs Pentax K-S2 Overview

Below, we are contrasting the Olympus TG-860 vs Pentax K-S2, former being a Waterproof while the other is a Entry-Level DSLR by rivals Olympus and Pentax. The resolution of the TG-860 (16MP) and the K-S2 (20MP) is very well matched but the TG-860 (1/2.3") and K-S2 (APS-C) come with totally different sensor measurements.

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The TG-860 was revealed around the same time to the K-S2 so they are both of a similar age. Both of the cameras come with different body type with the Olympus TG-860 being a Ultracompact camera and the Pentax K-S2 being a Compact SLR camera.

Before getting straight into a detailed comparison, below is a concise overview of how the TG-860 matches up vs the K-S2 in relation to portability, imaging, features and an overall grade.

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Reasons to pick Olympus TG-860 over the Pentax K-S2

 TG-860 K-S2 

Reasons to pick Pentax K-S2 over the Olympus TG-860

 K-S2 TG-860 
Manually focus More accurate focus
Display typeFully ArticulatedTiltingFully Articulating display
Display resolution921k460kCrisper display (+461k dot)
Selfie screen Easy selfies

Common features in the Olympus TG-860 and Pentax K-S2

 TG-860 K-S2 
IntroducedFebruary 2015February 2015Similar age
Display dimension3"3"Identical display measurements
Touch friendly display Absent Touch friendly display

Olympus TG-860 vs Pentax K-S2 Physical Comparison

If you are going to lug around your camera, you have to think about its weight and proportions. The Olympus TG-860 comes with outside measurements of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") accompanied by a weight of 224 grams (0.49 lbs) while the Pentax K-S2 has measurements of 123mm x 91mm x 73mm (4.8" x 3.6" x 2.9") accompanied by a weight of 678 grams (1.49 lbs).

Contrast the Olympus TG-860 vs Pentax K-S2 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary dependant on the lens you use at that time. Below is the front view dimension comparison of the TG-860 vs the K-S2.

Olympus TG-860 vs Pentax K-S2 size comparison

Using size and weight, the portability score of the TG-860 and K-S2 is 91 and 64 respectively.

Olympus TG-860 vs Pentax K-S2 top view buttons comparison

Olympus TG-860 vs Pentax K-S2 Sensor Comparison

Often, it is very hard to visualise the gap between sensor measurements only by looking at a spec sheet. The photograph underneath will provide you a far better sense of the sensor measurements in the TG-860 and K-S2.

As you can see, each of these cameras have got different megapixels and different sensor measurements. The TG-860 using its tinier sensor will make getting shallow depth of field trickier and the Pentax K-S2 will give more detail because of its extra 4MP. Greater resolution will allow you to crop pics much more aggressively.

Olympus TG-860 vs Pentax K-S2 sensor size comparison

Olympus TG-860 vs Pentax K-S2 Screen and ViewFinder

Olympus TG-860 vs Pentax K-S2 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-860
Portrait photography with Pentax K-S2
36
megapixel count good (16 megapixels)
offers face detection focusing
manual focus not available
lack of manual exposure
external flash not possible
small sensor size (1/2.3")
doesn't have RAW files
78
you can focus manually
decent MP (20 megapixels)
sensor size is nice (APS-C)
includes face detect autofocus
exports RAW formats
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Street Comparison

Olympus TG-860 Street photography details
Pentax K-S2 Street photography details
69
screen tilts up and down
image stabilization (Optical)
weather proofing
small sensor size (1/2.3")
doesn't have RAW files
72
screen articulates fully
has image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW formats
weather proof
very good ISO range (51,200)
heavier than others in class (678g)
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Sports Comparison

Olympus TG-860 Sports photography factors
Pentax K-S2 Sports photography factors
49
image stabilization (Optical)
megapixel count good (16MP)
offers tracking autofocus
weather proofing
no shutter priority
small sensor size (1/2.3")
doesn't have phase detect AF
70
max shutter speed is good (1/6,000 seconds)
has image stabilization (Sensor based)
decent MP (20MP)
sensor size is nice (APS-C)
includes tracking focus
weather proof
has phase detect autofocus
continuous shooting slow (5.4 fps)
terrible battery power (410 CIPA)
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Travel Comparison

Olympus TG-860 Travel photography info
Pentax K-S2 Travel photography info
71
weather proofing
megapixel count good (16 megapixels)
built-in flash
decently wide (21mm)
doesn't have selfie friendly display
somewhat slow max aperture (f3.5)
65
weather proof
decent MP (20MP)
flash built-in
selfie friendly display
terrible battery power (410 shots)
heavier than others in class (678g)
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Landscape Comparison

Olympus TG-860 Landscape photography advice
Pentax K-S2 Landscape photography advice
48
decently wide (21mm)
screen size is good (3 inches)
image stabilization (Optical)
megapixel count good (16 megapixels)
weather proofing
manual focus not available
cannot swap lens (fixed lens mount)
somewhat slow max aperture (f3.5)
lack of manual exposure
small sensor size (1/2.3")
doesn't have RAW files
77
you can focus manually
change lenses (Pentax KAF2 mount)
decent sized screen (3 inches)
has image stabilization (Sensor based)
decent MP (20MP)
sensor size is nice (APS-C)
doesnt have anti-alias filter
very good ISO range (51,200)
exports RAW formats
weather proof
terrible battery power (410 shots)
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Vlogging Comparison

Olympus TG-860 Vlogging info
Pentax K-S2 Vlogging info
33
decently wide (21mm)
image stabilization (Optical)
offers face detection focusing
video resolution high (1920 x 1080 pxls)
somewhat slow max aperture (f3.5)
doesn't have selfie friendly display
doesn't have external mic port
71
selfie friendly display
has image stabilization (Sensor based)
includes face detect autofocus
high res video (1920 x 1080 pixels)
has mic port
heavier than others in class (678g)
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Olympus TG-860 vs Pentax K-S2 Specifications

Detailed spec comparison table for Olympus TG-860 and Pentax K-S2
 Olympus Stylus Tough TG-860Pentax K-S2
General Information
Make Olympus Pentax
Model type Olympus Stylus Tough TG-860 Pentax K-S2
Type Waterproof Entry-Level DSLR
Revealed 2015-02-06 2015-02-10
Body design Ultracompact Compact SLR
Sensor Information
Processor TruePic VII PRIME MII
Sensor type CMOS CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 23.5 x 15.6mm
Sensor surface area 28.1mm² 366.6mm²
Sensor resolution 16 megapixels 20 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Full resolution 4608 x 3456 5472 x 3648
Max native ISO 6400 51200
Min native ISO 125 100
RAW files
Autofocusing
Manual focusing
Touch to focus
Continuous AF
Single AF
Tracking AF
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points - 11
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 21-105mm (5.0x) -
Max aperture f/3.5-5.7 -
Macro focusing distance 1cm -
Available lenses - 151
Crop factor 5.8 1.5
Screen
Range of screen Tilting Fully Articulated
Screen size 3 inch 3 inch
Screen resolution 460k dot 921k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 4 secs 30 secs
Highest shutter speed 1/2000 secs 1/6000 secs
Continuous shooting speed 7.0 frames/s 5.4 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change WB
Image stabilization
Integrated flash
Flash distance 4.00 m (at ISO 1600) 12.00 m (at ISO 100)
Flash settings Auto, redeye reduction, fill flash, off, LED illuminator Auto, auto w/redeye reduction, flash on, flash on + redeye reduction, slow sync, trailing curtain sync, manual flash
External flash
AEB
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60p), 1280 x 720 (60p), 640 x 480 (60p) 1920 x 1080 (30p, 25p, 24p), 1280 x 720 (60p, 50p)
Max video resolution 1920x1080 1920x1080
Video data format H.264 MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Yes Optional
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 224 gr (0.49 pounds) 678 gr (1.49 pounds)
Dimensions 110 x 64 x 28mm (4.3" x 2.5" x 1.1") 123 x 91 x 73mm (4.8" x 3.6" x 2.9")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 300 pictures 410 pictures
Battery form Battery Pack Battery Pack
Battery ID Li-50B D-LI109
Self timer Yes (2 or 10 sec, custom) Yes (2 or 12 secs)
Time lapse recording
Storage media SD/SDHC/SDXC, Internal SD/SDHC/SDXC
Storage slots Single Single
Pricing at launch $279 $581